RAM Tough Ball - B Series 1" - with camera thread (0.25 inch)

RAP-B-379U-252025 – RAM® Tough-Ball™ with 1/4"-20 x .25" Threaded Stud (B Size)

The RAP-B-379U-252025 is a RAM® Tough-Ball™ with a 1" B-size rubber ball on a short 1/4"-20 x .25" stainless steel stud. The 1/4"-20 thread matches the standard tripod-style hole found on most cameras and many small devices, turning that hole into a B-size ball that drops into any B-size RAM® double socket arm.

Key Features

• 1/4"-20 x .25" male thread, sized for the shallow threaded holes on cameras and action cams
• 1" B-size rubber ball fits any B-size RAM® double socket arm for near-infinite adjustment
• High-strength composite body with stainless steel stud for marine and outdoor use
• Backed by RAM Mounts' lifetime warranty

Common Uses

A popular base for a GoPro, fishfinder, GPS or camera, and works with the Yamaha multi-mount system. Also suits the Hawkeye FishTrax 1, 1X and 1C.

Specifications

• Thread: 1/4"-20 x .25"
• Ball size: 1" (B size)
• Material: high-strength composite with stainless steel thread
• Weight: 32 g (0.07 lb)
• Load rating: 907 g (2 lb) standard use, 454 g (1 lb) heavy-duty use

FAQs

What thread does the RAP-B-379U-252025 have?

A 1/4"-20 male thread, 0.25" long. That is the common camera/tripod thread, so it screws straight into most devices with a 1/4"-20 hole.

Which RAM arms does it fit?

The 1" ball fits any B-size RAM® double socket arm and any B-size socket base.